Home / 814,133.12-1,219,618.56-458,061.44

Finding the Fourth Proportional to 814,133.12, 1,219,618.56 and 458,061.44

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Solution

The fourth proportional to 814,133.12, 1,219,618.56 and 458,061.44 is: 686,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,133.12 : 1,219,618.56 = 458,061.44 : x
  2. Step 2: Convert to fraction form
    814,133.12/1,219,618.56 = 458,061.44/x
  3. Step 3: Cross multiply
    814,133.12x = 1,219,618.56 × 458,061.44
  4. Step 4: Simplify right side
    814,133.12x = 558,660,233,844.33
  5. Step 5: Solve for x
    x = 558,660,233,844.33/814,133.12
  6. Step 6: Final answer
    x = 686,202.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.